Viper 4105V 1-Way Remote Start System Remote Start And Keyless Entry System Remote Start Function Is For Fuel Injected, Diesel, And Hybrid Vehicles With Automatic Transmissions Only Two 4-Button 1-Way Transmitters - Up To 1500-Foot Range Car Finder Flashes Lights Five Times Slowly Panic Mode Requires Horn Circuit To Be Connected Clone-Safe Code-Hopping For Added Security - Two Auxiliary Channels For Adding Functions Clone-Safe Code-Hopping for added security